Home / 13,922.70-19,204.88-8,255.94

Finding the Fourth Proportional to 13,922.70, 19,204.88 and 8,255.94

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Solution

The fourth proportional to 13,922.70, 19,204.88 and 8,255.94 is: 11,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.70 : 19,204.88 = 8,255.94 : x
  2. Step 2: Convert to fraction form
    13,922.70/19,204.88 = 8,255.94/x
  3. Step 3: Cross multiply
    13,922.70x = 19,204.88 × 8,255.94
  4. Step 4: Simplify right side
    13,922.70x = 158,554,295.71
  5. Step 5: Solve for x
    x = 158,554,295.71/13,922.70
  6. Step 6: Final answer
    x = 11,388.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.